<?php

use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;

return new class extends Migration
{
    public function up(): void
    {
        Schema::create('lots', function (Blueprint $table) {
            $table->id()->comment('로트관리 PK');
            $table->unsignedBigInteger('tenant_id')->comment('테넌트ID');
            $table->string('lot_number', 30)->unique()->comment('로트번호');
            $table->unsignedBigInteger('material_id')->comment('자재ID');
            $table->string('specification', 100)->nullable()->comment('규격');
            $table->string('length', 20)->nullable()->comment('길이');
            $table->integer('quantity')->comment('수량');
            $table->string('raw_lot_number', 30)->nullable()->comment('원자재 로트번호');
            $table->string('fabric_lot', 30)->nullable()->comment('원단 로트');
            $table->string('author', 50)->nullable()->comment('작성자');
            $table->text('remarks')->nullable()->comment('비고');
            $table->unsignedBigInteger('created_by')->comment('생성자(회원PK)');
            $table->unsignedBigInteger('updated_by')->nullable()->comment('수정자(회원PK)');
            $table->timestamps();
            $table->softDeletes();
            $table->index('material_id', 'idx_lots_material_id');
        });
    }
    public function down(): void
    {
        Schema::dropIfExists('lots');
    }
};